13885513818

Names of 13885513818

• Cardinal: 13885513818 can be written as Thirteen billion, eight hundred eighty-five million, five hundred thirteen thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.3885513818 × 10¹⁰

Factors of 13885513818

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9971

Divisors of 13885513818

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 22 33 43 66 86 129 258 473 521 946 1042 1419 1563 2838 3126 5731 9391 11462 17193 18782 22403 28173 34386 44806 56346 67209 103301 134418 206602 246433 309903 403813 492866 619806 739299 807626 1211439 1478598 2422878 4441943 4892711 8883886 9785422 13325829 14678133 26651658 29356266 53819821 107639642 161459463 210386573 322918926 420773146 631159719 1262319438 2314252303 4628504606 6942756909 13885513818
• Sum of all divisors σ(n): 31063025664
• Sum of proper divisors (its aliquot sum) s(n): 17177511846
• 13885513818 is an abundant number, because the sum of its proper divisors (17177511846) is greater than itself. Its abundance is 3291998028

Bases of 13885513818

• Binary: 1100111011101001000010000001011010₂
• Hexadecimal: 0x33BA4205A
• Base-36: 6DN2R16

Squares and roots of 13885513818

• 13885513818 squared (13885513818²) is 192807493989868937124
• 13885513818 cubed (13885513818³) is 2677231122010277078444275179432
• The square root of 13885513818 is 117836.8101146669
• The cube root of 13885513818 is 2403.5545602905

Scales and comparisons

• 13,885,513,818 seconds is equal to 441 years, 26 weeks, 5 days, 23 hours, 10 minutes, 18 seconds.
• To count from 1 to 13,885,513,818 would take you about eight hundred eighty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13885513818 cubic inches would be around 200.3 feet tall.

Recreational maths with 13885513818

• 13885513818 backwards is 81831558831
• The number of decimal digits it has is: 11
• The sum of 13885513818's digits is 51
• More coming soon!